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What is the answer to this???

What is the answer to this???
24.7k views
3 votes
What is the answer to this???

What is the answer to this???-example-1
User Sudhasri
by
7.4k points

2 Answers

3 votes
a^2+b^2=c^2

a^2+9^2=15^2
a^2+81=225
a^2=144
take the square root of each side
a=12
User Vicente
by
7.9k points
2 votes
a = √(15²-9²) = √(225-81) = √144 = 12
User Diullei
by
7.5k points
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